12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank MCQs - Alternating Current

  • question_answer
    Relation between r.m.s. voltage and instantaneous voltage of an AC

    A) \[{{\operatorname{V}}_{0}}={{V}_{RMS}}/\surd 2\]

    B) \[{{V}_{RMS}}={{\operatorname{V}}_{0}}/\surd 2\]     

    C) \[{{V}_{RMS}}=0.707{{\operatorname{V}}_{0}}\]

    D) Both [c] and [d]           

    Correct Answer: D

    Solution :

    Option [d] is correct          Explanation: \[{{V}_{rms}}={{\operatorname{V}}_{0}}/\surd 2=0.707{{\operatorname{V}}_{0}}\]


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